Require at least one element in LSI if

[kddejong]

Issue #, if available:
#3619
Description of changes:

• Require at least one element in LSI if

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.74%. Comparing base (c6e80fa) to head (3ed407e).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3623      +/-   ##
==========================================
- Coverage   93.74%   93.74%   -0.01%     
==========================================
  Files         354      354              
  Lines       11966    11966              
  Branches     2553     2553              
==========================================
- Hits        11218    11217       -1     
  Misses        411      411              
- Partials      337      338       +1     

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